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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mr. Gasket Ultra-Seal Head Gasket - 5780GOverview: Mr. Gasket Ultra Seal Head Gaskets are a five layer (graphite core perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads,
Overview:
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.
Gasket Bore 3.870 inch, Compressed thickness 0.028 inch
Features:
- Five layer (graphite core/perforated steel outer layers) composite construction
- Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
- Provides excellent stability, compressibility and high temperature endurance
- Coated with high temperature silicone to ensure sealing of engine fluids
- Will not brinell (indent) aluminum cylinder heads
- For high performance street, drag race and oval track use
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1976 - 1983 | Chevrolet | Malibu | 305/5 V8 | |
| 1976 - 1988 | Chevrolet | Monte Carlo | 305/5 V8 | |
| 1983 - 1986 | Pontiac | Bonneville | 305/5 V8 | |
| 1977 - 1992 | Pontiac | Firebird | 305/5 V8 | |
| 1976 - 1992 | Chevrolet | Camaro | 305/5 V8 | |
| 1977 - 1993 | Chevrolet | Caprice | 305/5 V8 | |
| 1980 | Chevrolet | Corvette | 305/5 V8 | |
| 1977 - 1978 | GMC | K25 | 305/5 V8 | |
| 1977 - 1978 | GMC | K25 Suburban | 305/5 V8 | |
| 1988 - 1995 | GMC | K2500 | 305/5 V8 | |
| 1987 | GMC | R1500 | 305/5 V8 | |
| 1987 | GMC | R1500 Suburban | 305/5 V8 | |
| 1987 | GMC | R2500 | 305/5 V8 | |
| 1976 - 1977 | GMC | Sprint | 305/5 V8 | |
| 1987 | GMC | V1500 | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Salon | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Calais | 305/5 V8 | |
| 1980 - 1982 | Oldsmobile | Cutlass Cruiser | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Supreme | 305/5 V8 | |
| 1977 - 1979 | Oldsmobile | Omega | 305/5 V8 | |
| 1977 - 1979 | Oldsmobile | Starfire | 305/5 V8 | |
| 1979 - 1995 | GMC | G1500 | 305/5 V8 | |
| 1981 - 1995 | GMC | G2500 | 305/5 V8 | |
| 1977 - 1987 | GMC | Jimmy | 305/5 V8 | |
| 1977 - 1978 | GMC | K15 | 305/5 V8 | |
| 1981 - 1995 | GMC | K1500 | 305/5 V8 | |
| 1977 - 1978 | GMC | K15 Suburban | 305/5 V8 | |
| 1979 - 1982 | GMC | K1500 Suburban | 305/5 V8 | |
| 1976 - 1979 | Chevrolet | Monza | 305/5 V8 | |
| 1980 - 1995 | GMC | C2500 | 305/5 V8 | |
| 1978 | GMC | C35 | 305/5 V8 | |
| 1986 | GMC | C3500 | 305/5 V8 | |
| 1978 - 1987 | GMC | Caballero | 305/5 V8 | |
| 1977 - 1978 | GMC | G15 | 305/5 V8 | |
| 1977 - 1995 | Chevrolet | G10 | 305/5 V8 | |
| 1976 - 1979 | Chevrolet | Nova | 305/5 V8 | |
| 1987 | Chevrolet | R10 | 305/5 V8 | |
| 1987 | Chevrolet | R10 Suburban | 305/5 V8 | |
| 1987 - 1988 | Chevrolet | R20 | 305/5 V8 | |
| 1987 | Chevrolet | V10 | 305/5 V8 | |
| 1977 - 1978 | GMC | C15 | 305/5 V8 | |
| 1979 - 1995 | GMC | C1500 | 305/5 V8 | |
| 1977 - 1978 | GMC | C15 Suburban | 305/5 V8 | |
| 1979 - 1986 | GMC | C1500 Suburban | 305/5 V8 | |
| 1977 - 1978 | GMC | C25 | 305/5 V8 | |
| 1976 - 1987 | Chevrolet | El Camino | 305/5 V8 | |
| 1978 - 1980 | Pontiac | Grand Am | 305/5 V8 | |
| 1977 - 1980 | Pontiac | Grand LeMans | 305/5 V8 | |
| 1978 - 1987 | Pontiac | Grand Prix | 305/5 V8 | |
| 1977 - 1980 | Pontiac | LeMans | 305/5 V8 | |
| 1983 - 1986 | Pontiac | Parisienne | 305/5 V8 | |
| 1977 - 1979 | Pontiac | Phoenix | 305/5 V8 | |
| 1977 | Pontiac | Ventura | 305/5 V8 | |
| 1991 | Oldsmobile | Custom Cruiser | ||
| 1992 | Oldsmobile | Custom Cruiser | 305/5 V8 | |
| 1978 - 1979 | Pontiac | Sunbird | 305/5 V8 | |
| 1977 - 1981 | Checker | Marathon | 305/5 V8 | |
| 1980 - 1995 | Chevrolet | G20 | 305/5 V8 | |
| 1978 - 1985 | Chevrolet | G30 | 305/5 V8 | |
| 1977 - 1985 | Chevrolet | Impala | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | K10 | 305/5 V8 | |
| 1981 | Chevrolet | K10 | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | K10 Suburban | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | K5 Blazer | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C10 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C10 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | K1500 | 305/5 V8 | |
| 1977 - 1985 | Chevrolet | K20 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | K20 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | K2500 | 305/5 V8 | |
| 1976 | Chevrolet | Laguna | 305/5 V8 | |
| 1977 - 1978 | GMC | C25 Suburban | 305/5 V8 | |
| 1982 - 1986 | GMC | C2500 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | C1500 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C20 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C20 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | C2500 | 305/5 V8 | |
| 1978 | Chevrolet | C30 | 305/5 V8 | |
| 1977 - 1980 | Buick | Century | 305/5 V8 | |
| 1978 | Buick | LeSabre | 305/5 V8 | |
| 1977 - 1980 | Buick | Regal | 305/5 V8 | |
| 1991 | Buick | Roadmaster | ||
| 1991 | Buick | Commercial Chassis | ||
| 1977 - 1979 | Buick | Skylark | 305/5 V8 | |
| 1991 - 1992 | Cadillac | Brougham | 305/5 V8 | |
| 1987 | Chevrolet | Blazer | 305/5 V8 |
Specs:
| Application | Small Block Chevy |
|---|---|
| Brand | Mr. Gasket |
| Compressed Thickness | .028 inch |
| Compression Ratio | Up to 14:1 |
| Emission Code | 5 |
| Engine | Chevrolet Small Block Gen I |
| Gasket Bore | 3.870 inch |
| Gasket Line | Ultra-Seal |
| Material | Graphite Steel |
| Packaging | Retail |
| Product Type | Head Gasket |
| Quantity Per Pkg. | 1 |
| Warranty | Limited 90 Day |
| Weight | 0.5 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 934 reviews
Sort
Product Reviews
★★★★★ 5
Very Comfortable
Size: 9, Color: Chestnut, Size: 9, Color: Chestnut
Good quality and very comfortable. Sizing is accurate.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 4
Cute - change footbed please
Size: 8.5, Color: Dense Smoke
These are so comfy and fit my usually 8.5 foot great. It's the footbed of UGGs that I keep hoping they'll change. It's like our memory foam mattress - cushy and great UNTIL THE HEAT comes! Then it's a no for this hot 65 yo G'ma!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 3
No me quedaron
Size: 8, Color: Dense Smoke
No son del # vienen más pequeños
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Super fun!
Size: 8.5, Color: Red Pepper
These are so fantastic! The color is amazing! It is a bit on the tomato-red side of the color-wheel. The fit is great. They are comfortable from the 1st step. Easy to walk in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
★★★★★ 5
Nice so far.
Size: 6.5, Color: Molasses
Comfy. They were tight the first day across the toes but as I've worn them a couple times they are loosening up. The sole is forming to my foot. These are very much like Doc Martin's from the early 2000s. Not sure about quality since I haven't had them for very long.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
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